Finding the Fourth Proportional to 747,659.26, 1,031,749.95 and 687,473.02
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Solution
The fourth proportional to 747,659.26, 1,031,749.95 and 687,473.02 is: 948,694.54
Step by Step Solution
- Step 1: Write the proportion equation
747,659.26 : 1,031,749.95 = 687,473.02 : x - Step 2: Convert to fraction form
747,659.26/1,031,749.95 = 687,473.02/x - Step 3: Cross multiply
747,659.26x = 1,031,749.95 × 687,473.02 - Step 4: Simplify right side
747,659.26x = 709,300,254,011.35 - Step 5: Solve for x
x = 709,300,254,011.35/747,659.26 - Step 6: Final answer
x = 948,694.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.